don't I sow? don't you sow? doesn't he sow? don't we sow? don't you sow? don't they sow?
Present continuous
am I not sowing? aren't you sowing? isn't he sowing? aren't we sowing? aren't you sowing? aren't they sowing?
Preterite
didn't I sow? didn't you sow? didn't he sow? didn't we sow? didn't you sow? didn't they sow?
Preterite continuous
wasn't I sowing? weren't you sowing? wasn't he sowing? weren't we sowing? weren't you sowing? weren't they sowing?
Present perfect
haven't I sown, sowed? haven't you sown, sowed? hasn't he sown, sowed? haven't we sown, sowed? haven't you sown, sowed? haven't they sown, sowed?
Present perfect continuous
haven't I been sowing? haven't you been sowing? hasn't he been sowing? haven't we been sowing? haven't you been sowing? haven't they been sowing?
Pluperfect
hadn't I sown, sowed? hadn't you sown, sowed? hadn't he sown, sowed? hadn't we sown, sowed? hadn't you sown, sowed? hadn't they sown, sowed?
Pluperfect continuous
hadn't I been sowing? hadn't you been sowing? hadn't he been sowing? hadn't we been sowing? hadn't you been sowing? hadn't they been sowing?
Future
won't I sow? won't you sow? won't he sow? won't we sow? won't you sow? won't they sow?
Future continuous
won't I be sowing? won't you be sowing? won't he be sowing? won't we be sowing? won't you be sowing? won't they be sowing?
Future perfect
won't I have sown, sowed? won't you have sown, sowed? won't he have sown, sowed? won't we have sown, sowed? won't you have sown, sowed? won't they have sown, sowed?
Future perfect continuous
won't I have been sowing? won't you have been sowing? won't he have been sowing? won't we have been sowing? won't you have been sowing? won't they have been sowing?
Conditional
Present
wouldn't I sow? wouldn't you sow? wouldn't he sow? wouldn't we sow? wouldn't you sow? wouldn't they sow?
Present continuous
wouldn't I be sowing? wouldn't you be sowing? wouldn't he be sowing? wouldn't we be sowing? wouldn't you be sowing? wouldn't they be sowing?
Past
wouldn't I have sown, sowed? wouldn't you have sown, sowed? wouldn't he have sown, sowed? wouldn't we have sown, sowed? wouldn't you have sown, sowed? wouldn't they have sown, sowed?
Past continuous
wouldn't I have been sowing? wouldn't you have been sowing? wouldn't he have been sowing? wouldn't we have been sowing? wouldn't you have been sowing? wouldn't they have been sowing?